CVE-2022-44456 Command injection in CONPROSYS HMI System (CHS)

Critical 9.8 Published 19 Dec 2022 Updated 17 Apr 2025

Remote unauthenticated attackers can execute arbitrary OS commands on CONPROSYS HMI System servers via crafted requests.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-44456?

CVE-2022-44456 is a critical command injection vulnerability in Contec Co., Ltd. CONPROSYS HMI System (CHS), published on 19 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.

Weakness: CWE-78

Which versions are affected by CVE-2022-44456?

It affects 1 product.

Products include Contec Conprosys Hmi System.

How do I fix CVE-2022-44456?

No fix has been published for CVE-2022-44456 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-44456 being exploited?

There is no known exploitation of CVE-2022-44456 in the wild and no public exploit code.

Sources

Also known as GHSA-28g2-wc2r-qwc7.